Cole-Parmer 350PH Digital pH/ORP/Temperature Controller - 1/8 DIN Panel Mount for Water Quality Monitoring | Ideal for Aquariums, Pools, and Industrial Processes

Automatic buffer recognition, absolute and relative ORP measurements, and automatic temperature compensation ensure measurement accuracy. AO-05802-14 pH/ORP 350 (05802-14) comes equipped with an isolated and reversible 4 to 20 MA output that allows to be used as a proportional output. Cole-Parmer pH/ORP controller and transmitter offer features found in more expensive models. Backlight LCD for clear measurement display. Automatic buffer recognition of us and NIST buffers. Universal power supply input from 100 to 240VAC. Easy-to-install 1/8-din compact plastic casing.